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Finding the Fourth Proportional to 168,403, 232,396.16 and 92,951.52

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Solution

The fourth proportional to 168,403, 232,396.16 and 92,951.52 is: 128,273.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,403 : 232,396.16 = 92,951.52 : x
  2. Step 2: Convert to fraction form
    168,403/232,396.16 = 92,951.52/x
  3. Step 3: Cross multiply
    168,403x = 232,396.16 × 92,951.52
  4. Step 4: Simplify right side
    168,403x = 21,601,576,314.16
  5. Step 5: Solve for x
    x = 21,601,576,314.16/168,403
  6. Step 6: Final answer
    x = 128,273.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.